xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_ct.c (revision b85d4594)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2004-2015 Emulex.  All rights reserved.           *
5  * EMULEX and SLI are trademarks of Emulex.                        *
6  * www.emulex.com                                                  *
7  *                                                                 *
8  * This program is free software; you can redistribute it and/or   *
9  * modify it under the terms of version 2 of the GNU General       *
10  * Public License as published by the Free Software Foundation.    *
11  * This program is distributed in the hope that it will be useful. *
12  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
13  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
14  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
15  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
17  * more details, a copy of which can be found in the file COPYING  *
18  * included with this package.                                     *
19  *******************************************************************/
20 
21 /*
22  * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS
23  */
24 
25 #include <linux/blkdev.h>
26 #include <linux/pci.h>
27 #include <linux/interrupt.h>
28 #include <linux/slab.h>
29 #include <linux/utsname.h>
30 
31 #include <scsi/scsi.h>
32 #include <scsi/scsi_device.h>
33 #include <scsi/scsi_host.h>
34 #include <scsi/scsi_transport_fc.h>
35 #include <scsi/fc/fc_fs.h>
36 
37 #include "lpfc_hw4.h"
38 #include "lpfc_hw.h"
39 #include "lpfc_sli.h"
40 #include "lpfc_sli4.h"
41 #include "lpfc_nl.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
44 #include "lpfc.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_crtn.h"
47 #include "lpfc_version.h"
48 #include "lpfc_vport.h"
49 #include "lpfc_debugfs.h"
50 
51 /* FDMI Port Speed definitions */
52 #define HBA_PORTSPEED_1GBIT		0x0001	/* 1 GBit/sec */
53 #define HBA_PORTSPEED_2GBIT		0x0002	/* 2 GBit/sec */
54 #define HBA_PORTSPEED_4GBIT		0x0008	/* 4 GBit/sec */
55 #define HBA_PORTSPEED_10GBIT		0x0004	/* 10 GBit/sec */
56 #define HBA_PORTSPEED_8GBIT		0x0010	/* 8 GBit/sec */
57 #define HBA_PORTSPEED_16GBIT		0x0020	/* 16 GBit/sec */
58 #define HBA_PORTSPEED_UNKNOWN		0x0800	/* Unknown */
59 
60 #define FOURBYTES	4
61 
62 
63 static char *lpfc_release_version = LPFC_DRIVER_VERSION;
64 
65 static void
66 lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
67 			  struct lpfc_dmabuf *mp, uint32_t size)
68 {
69 	if (!mp) {
70 		lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
71 				"0146 Ignoring unsolicited CT No HBQ "
72 				"status = x%x\n",
73 				piocbq->iocb.ulpStatus);
74 	}
75 	lpfc_printf_log(phba, KERN_INFO, LOG_ELS,
76 			"0145 Ignoring unsolicted CT HBQ Size:%d "
77 			"status = x%x\n",
78 			size, piocbq->iocb.ulpStatus);
79 }
80 
81 static void
82 lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq,
83 		     struct lpfc_dmabuf *mp, uint32_t size)
84 {
85 	lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size);
86 }
87 
88 void
89 lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
90 		    struct lpfc_iocbq *piocbq)
91 {
92 	struct lpfc_dmabuf *mp = NULL;
93 	IOCB_t *icmd = &piocbq->iocb;
94 	int i;
95 	struct lpfc_iocbq *iocbq;
96 	dma_addr_t paddr;
97 	uint32_t size;
98 	struct list_head head;
99 	struct lpfc_dmabuf *bdeBuf;
100 
101 	if (lpfc_bsg_ct_unsol_event(phba, pring, piocbq) == 0)
102 		return;
103 
104 	if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) {
105 		lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ);
106 	} else if ((icmd->ulpStatus == IOSTAT_LOCAL_REJECT) &&
107 		   ((icmd->un.ulpWord[4] & IOERR_PARAM_MASK) ==
108 		   IOERR_RCV_BUFFER_WAITING)) {
109 		/* Not enough posted buffers; Try posting more buffers */
110 		phba->fc_stat.NoRcvBuf++;
111 		if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED))
112 			lpfc_post_buffer(phba, pring, 2);
113 		return;
114 	}
115 
116 	/* If there are no BDEs associated with this IOCB,
117 	 * there is nothing to do.
118 	 */
119 	if (icmd->ulpBdeCount == 0)
120 		return;
121 
122 	if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) {
123 		INIT_LIST_HEAD(&head);
124 		list_add_tail(&head, &piocbq->list);
125 		list_for_each_entry(iocbq, &head, list) {
126 			icmd = &iocbq->iocb;
127 			if (icmd->ulpBdeCount == 0)
128 				continue;
129 			bdeBuf = iocbq->context2;
130 			iocbq->context2 = NULL;
131 			size  = icmd->un.cont64[0].tus.f.bdeSize;
132 			lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size);
133 			lpfc_in_buf_free(phba, bdeBuf);
134 			if (icmd->ulpBdeCount == 2) {
135 				bdeBuf = iocbq->context3;
136 				iocbq->context3 = NULL;
137 				size  = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize;
138 				lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf,
139 						     size);
140 				lpfc_in_buf_free(phba, bdeBuf);
141 			}
142 		}
143 		list_del(&head);
144 	} else {
145 		INIT_LIST_HEAD(&head);
146 		list_add_tail(&head, &piocbq->list);
147 		list_for_each_entry(iocbq, &head, list) {
148 			icmd = &iocbq->iocb;
149 			if (icmd->ulpBdeCount == 0)
150 				lpfc_ct_unsol_buffer(phba, iocbq, NULL, 0);
151 			for (i = 0; i < icmd->ulpBdeCount; i++) {
152 				paddr = getPaddr(icmd->un.cont64[i].addrHigh,
153 						 icmd->un.cont64[i].addrLow);
154 				mp = lpfc_sli_ringpostbuf_get(phba, pring,
155 							      paddr);
156 				size = icmd->un.cont64[i].tus.f.bdeSize;
157 				lpfc_ct_unsol_buffer(phba, iocbq, mp, size);
158 				lpfc_in_buf_free(phba, mp);
159 			}
160 			lpfc_post_buffer(phba, pring, i);
161 		}
162 		list_del(&head);
163 	}
164 }
165 
166 /**
167  * lpfc_ct_handle_unsol_abort - ct upper level protocol abort handler
168  * @phba: Pointer to HBA context object.
169  * @dmabuf: pointer to a dmabuf that describes the FC sequence
170  *
171  * This function serves as the upper level protocol abort handler for CT
172  * protocol.
173  *
174  * Return 1 if abort has been handled, 0 otherwise.
175  **/
176 int
177 lpfc_ct_handle_unsol_abort(struct lpfc_hba *phba, struct hbq_dmabuf *dmabuf)
178 {
179 	int handled;
180 
181 	/* CT upper level goes through BSG */
182 	handled = lpfc_bsg_ct_unsol_abort(phba, dmabuf);
183 
184 	return handled;
185 }
186 
187 static void
188 lpfc_free_ct_rsp(struct lpfc_hba *phba, struct lpfc_dmabuf *mlist)
189 {
190 	struct lpfc_dmabuf *mlast, *next_mlast;
191 
192 	list_for_each_entry_safe(mlast, next_mlast, &mlist->list, list) {
193 		lpfc_mbuf_free(phba, mlast->virt, mlast->phys);
194 		list_del(&mlast->list);
195 		kfree(mlast);
196 	}
197 	lpfc_mbuf_free(phba, mlist->virt, mlist->phys);
198 	kfree(mlist);
199 	return;
200 }
201 
202 static struct lpfc_dmabuf *
203 lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl,
204 		  uint32_t size, int *entries)
205 {
206 	struct lpfc_dmabuf *mlist = NULL;
207 	struct lpfc_dmabuf *mp;
208 	int cnt, i = 0;
209 
210 	/* We get chunks of FCELSSIZE */
211 	cnt = size > FCELSSIZE ? FCELSSIZE: size;
212 
213 	while (size) {
214 		/* Allocate buffer for rsp payload */
215 		mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
216 		if (!mp) {
217 			if (mlist)
218 				lpfc_free_ct_rsp(phba, mlist);
219 			return NULL;
220 		}
221 
222 		INIT_LIST_HEAD(&mp->list);
223 
224 		if (cmdcode == be16_to_cpu(SLI_CTNS_GID_FT) ||
225 		    cmdcode == be16_to_cpu(SLI_CTNS_GFF_ID))
226 			mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
227 		else
228 			mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
229 
230 		if (!mp->virt) {
231 			kfree(mp);
232 			if (mlist)
233 				lpfc_free_ct_rsp(phba, mlist);
234 			return NULL;
235 		}
236 
237 		/* Queue it to a linked list */
238 		if (!mlist)
239 			mlist = mp;
240 		else
241 			list_add_tail(&mp->list, &mlist->list);
242 
243 		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
244 		/* build buffer ptr list for IOCB */
245 		bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
246 		bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
247 		bpl->tus.f.bdeSize = (uint16_t) cnt;
248 		bpl->tus.w = le32_to_cpu(bpl->tus.w);
249 		bpl++;
250 
251 		i++;
252 		size -= cnt;
253 	}
254 
255 	*entries = i;
256 	return mlist;
257 }
258 
259 int
260 lpfc_ct_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *ctiocb)
261 {
262 	struct lpfc_dmabuf *buf_ptr;
263 
264 	if (ctiocb->context_un.ndlp) {
265 		lpfc_nlp_put(ctiocb->context_un.ndlp);
266 		ctiocb->context_un.ndlp = NULL;
267 	}
268 	if (ctiocb->context1) {
269 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context1;
270 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
271 		kfree(buf_ptr);
272 		ctiocb->context1 = NULL;
273 	}
274 	if (ctiocb->context2) {
275 		lpfc_free_ct_rsp(phba, (struct lpfc_dmabuf *) ctiocb->context2);
276 		ctiocb->context2 = NULL;
277 	}
278 
279 	if (ctiocb->context3) {
280 		buf_ptr = (struct lpfc_dmabuf *) ctiocb->context3;
281 		lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys);
282 		kfree(buf_ptr);
283 		ctiocb->context3 = NULL;
284 	}
285 	lpfc_sli_release_iocbq(phba, ctiocb);
286 	return 0;
287 }
288 
289 static int
290 lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
291 	     struct lpfc_dmabuf *inp, struct lpfc_dmabuf *outp,
292 	     void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
293 		     struct lpfc_iocbq *),
294 	     struct lpfc_nodelist *ndlp, uint32_t usr_flg, uint32_t num_entry,
295 	     uint32_t tmo, uint8_t retry)
296 {
297 	struct lpfc_hba  *phba = vport->phba;
298 	IOCB_t *icmd;
299 	struct lpfc_iocbq *geniocb;
300 	int rc;
301 
302 	/* Allocate buffer for  command iocb */
303 	geniocb = lpfc_sli_get_iocbq(phba);
304 
305 	if (geniocb == NULL)
306 		return 1;
307 
308 	icmd = &geniocb->iocb;
309 	icmd->un.genreq64.bdl.ulpIoTag32 = 0;
310 	icmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
311 	icmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
312 	icmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
313 	icmd->un.genreq64.bdl.bdeSize = (num_entry * sizeof (struct ulp_bde64));
314 
315 	if (usr_flg)
316 		geniocb->context3 = NULL;
317 	else
318 		geniocb->context3 = (uint8_t *) bmp;
319 
320 	/* Save for completion so we can release these resources */
321 	geniocb->context1 = (uint8_t *) inp;
322 	geniocb->context2 = (uint8_t *) outp;
323 	geniocb->context_un.ndlp = lpfc_nlp_get(ndlp);
324 
325 	/* Fill in payload, bp points to frame payload */
326 	icmd->ulpCommand = CMD_GEN_REQUEST64_CR;
327 
328 	/* Fill in rest of iocb */
329 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
330 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
331 	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
332 	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
333 
334 	if (!tmo) {
335 		 /* FC spec states we need 3 * ratov for CT requests */
336 		tmo = (3 * phba->fc_ratov);
337 	}
338 	icmd->ulpTimeout = tmo;
339 	icmd->ulpBdeCount = 1;
340 	icmd->ulpLe = 1;
341 	icmd->ulpClass = CLASS3;
342 	icmd->ulpContext = ndlp->nlp_rpi;
343 	if (phba->sli_rev == LPFC_SLI_REV4)
344 		icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
345 
346 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
347 		/* For GEN_REQUEST64_CR, use the RPI */
348 		icmd->ulpCt_h = 0;
349 		icmd->ulpCt_l = 0;
350 	}
351 
352 	/* Issue GEN REQ IOCB for NPORT <did> */
353 	lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
354 			 "0119 Issue GEN REQ IOCB to NPORT x%x "
355 			 "Data: x%x x%x\n",
356 			 ndlp->nlp_DID, icmd->ulpIoTag,
357 			 vport->port_state);
358 	geniocb->iocb_cmpl = cmpl;
359 	geniocb->drvrTimeout = icmd->ulpTimeout + LPFC_DRVR_TIMEOUT;
360 	geniocb->vport = vport;
361 	geniocb->retry = retry;
362 	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, geniocb, 0);
363 
364 	if (rc == IOCB_ERROR) {
365 		lpfc_sli_release_iocbq(phba, geniocb);
366 		return 1;
367 	}
368 
369 	return 0;
370 }
371 
372 static int
373 lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
374 	    struct lpfc_dmabuf *bmp, struct lpfc_nodelist *ndlp,
375 	    void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
376 			  struct lpfc_iocbq *),
377 	    uint32_t rsp_size, uint8_t retry)
378 {
379 	struct lpfc_hba  *phba = vport->phba;
380 	struct ulp_bde64 *bpl = (struct ulp_bde64 *) bmp->virt;
381 	struct lpfc_dmabuf *outmp;
382 	int cnt = 0, status;
383 	int cmdcode = ((struct lpfc_sli_ct_request *) inmp->virt)->
384 		CommandResponse.bits.CmdRsp;
385 
386 	bpl++;			/* Skip past ct request */
387 
388 	/* Put buffer(s) for ct rsp in bpl */
389 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
390 	if (!outmp)
391 		return -ENOMEM;
392 	/*
393 	 * Form the CT IOCB.  The total number of BDEs in this IOCB
394 	 * is the single command plus response count from
395 	 * lpfc_alloc_ct_rsp.
396 	 */
397 	cnt += 1;
398 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
399 			      cnt, 0, retry);
400 	if (status) {
401 		lpfc_free_ct_rsp(phba, outmp);
402 		return -ENOMEM;
403 	}
404 	return 0;
405 }
406 
407 struct lpfc_vport *
408 lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
409 	struct lpfc_vport *vport_curr;
410 	unsigned long flags;
411 
412 	spin_lock_irqsave(&phba->hbalock, flags);
413 	list_for_each_entry(vport_curr, &phba->port_list, listentry) {
414 		if ((vport_curr->fc_myDID) && (vport_curr->fc_myDID == did)) {
415 			spin_unlock_irqrestore(&phba->hbalock, flags);
416 			return vport_curr;
417 		}
418 	}
419 	spin_unlock_irqrestore(&phba->hbalock, flags);
420 	return NULL;
421 }
422 
423 static int
424 lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
425 {
426 	struct lpfc_hba  *phba = vport->phba;
427 	struct lpfc_sli_ct_request *Response =
428 		(struct lpfc_sli_ct_request *) mp->virt;
429 	struct lpfc_nodelist *ndlp = NULL;
430 	struct lpfc_dmabuf *mlast, *next_mp;
431 	uint32_t *ctptr = (uint32_t *) & Response->un.gid.PortType;
432 	uint32_t Did, CTentry;
433 	int Cnt;
434 	struct list_head head;
435 
436 	lpfc_set_disctmo(vport);
437 	vport->num_disc_nodes = 0;
438 	vport->fc_ns_retry = 0;
439 
440 
441 	list_add_tail(&head, &mp->list);
442 	list_for_each_entry_safe(mp, next_mp, &head, list) {
443 		mlast = mp;
444 
445 		Cnt = Size  > FCELSSIZE ? FCELSSIZE : Size;
446 
447 		Size -= Cnt;
448 
449 		if (!ctptr) {
450 			ctptr = (uint32_t *) mlast->virt;
451 		} else
452 			Cnt -= 16;	/* subtract length of CT header */
453 
454 		/* Loop through entire NameServer list of DIDs */
455 		while (Cnt >= sizeof (uint32_t)) {
456 			/* Get next DID from NameServer List */
457 			CTentry = *ctptr++;
458 			Did = ((be32_to_cpu(CTentry)) & Mask_DID);
459 
460 			ndlp = NULL;
461 
462 			/*
463 			 * Check for rscn processing or not
464 			 * To conserve rpi's, filter out addresses for other
465 			 * vports on the same physical HBAs.
466 			 */
467 			if ((Did != vport->fc_myDID) &&
468 			    ((lpfc_find_vport_by_did(phba, Did) == NULL) ||
469 			     vport->cfg_peer_port_login)) {
470 				if ((vport->port_type != LPFC_NPIV_PORT) ||
471 				    (!(vport->ct_flags & FC_CT_RFF_ID)) ||
472 				    (!vport->cfg_restrict_login)) {
473 					ndlp = lpfc_setup_disc_node(vport, Did);
474 					if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
475 						lpfc_debugfs_disc_trc(vport,
476 						LPFC_DISC_TRC_CT,
477 						"Parse GID_FTrsp: "
478 						"did:x%x flg:x%x x%x",
479 						Did, ndlp->nlp_flag,
480 						vport->fc_flag);
481 
482 						lpfc_printf_vlog(vport,
483 							KERN_INFO,
484 							LOG_DISCOVERY,
485 							"0238 Process "
486 							"x%x NameServer Rsp"
487 							"Data: x%x x%x x%x\n",
488 							Did, ndlp->nlp_flag,
489 							vport->fc_flag,
490 							vport->fc_rscn_id_cnt);
491 					} else {
492 						lpfc_debugfs_disc_trc(vport,
493 						LPFC_DISC_TRC_CT,
494 						"Skip1 GID_FTrsp: "
495 						"did:x%x flg:x%x cnt:%d",
496 						Did, vport->fc_flag,
497 						vport->fc_rscn_id_cnt);
498 
499 						lpfc_printf_vlog(vport,
500 							KERN_INFO,
501 							LOG_DISCOVERY,
502 							"0239 Skip x%x "
503 							"NameServer Rsp Data: "
504 							"x%x x%x\n",
505 							Did, vport->fc_flag,
506 							vport->fc_rscn_id_cnt);
507 					}
508 
509 				} else {
510 					if (!(vport->fc_flag & FC_RSCN_MODE) ||
511 					(lpfc_rscn_payload_check(vport, Did))) {
512 						lpfc_debugfs_disc_trc(vport,
513 						LPFC_DISC_TRC_CT,
514 						"Query GID_FTrsp: "
515 						"did:x%x flg:x%x cnt:%d",
516 						Did, vport->fc_flag,
517 						vport->fc_rscn_id_cnt);
518 
519 						/* This NPortID was previously
520 						 * a FCP target, * Don't even
521 						 * bother to send GFF_ID.
522 						 */
523 						ndlp = lpfc_findnode_did(vport,
524 							Did);
525 						if (ndlp &&
526 						    NLP_CHK_NODE_ACT(ndlp)
527 						    && (ndlp->nlp_type &
528 						     NLP_FCP_TARGET))
529 							lpfc_setup_disc_node
530 								(vport, Did);
531 						else if (lpfc_ns_cmd(vport,
532 							SLI_CTNS_GFF_ID,
533 							0, Did) == 0)
534 							vport->num_disc_nodes++;
535 						else
536 							lpfc_setup_disc_node
537 								(vport, Did);
538 					}
539 					else {
540 						lpfc_debugfs_disc_trc(vport,
541 						LPFC_DISC_TRC_CT,
542 						"Skip2 GID_FTrsp: "
543 						"did:x%x flg:x%x cnt:%d",
544 						Did, vport->fc_flag,
545 						vport->fc_rscn_id_cnt);
546 
547 						lpfc_printf_vlog(vport,
548 							KERN_INFO,
549 							LOG_DISCOVERY,
550 							"0245 Skip x%x "
551 							"NameServer Rsp Data: "
552 							"x%x x%x\n",
553 							Did, vport->fc_flag,
554 							vport->fc_rscn_id_cnt);
555 					}
556 				}
557 			}
558 			if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
559 				goto nsout1;
560 			Cnt -= sizeof (uint32_t);
561 		}
562 		ctptr = NULL;
563 
564 	}
565 
566 nsout1:
567 	list_del(&head);
568 	return 0;
569 }
570 
571 static void
572 lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
573 			struct lpfc_iocbq *rspiocb)
574 {
575 	struct lpfc_vport *vport = cmdiocb->vport;
576 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
577 	IOCB_t *irsp;
578 	struct lpfc_dmabuf *bmp;
579 	struct lpfc_dmabuf *outp;
580 	struct lpfc_sli_ct_request *CTrsp;
581 	struct lpfc_nodelist *ndlp;
582 	int rc;
583 
584 	/* First save ndlp, before we overwrite it */
585 	ndlp = cmdiocb->context_un.ndlp;
586 
587 	/* we pass cmdiocb to state machine which needs rspiocb as well */
588 	cmdiocb->context_un.rsp_iocb = rspiocb;
589 
590 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
591 	bmp = (struct lpfc_dmabuf *) cmdiocb->context3;
592 	irsp = &rspiocb->iocb;
593 
594 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
595 		 "GID_FT cmpl:     status:x%x/x%x rtry:%d",
596 		irsp->ulpStatus, irsp->un.ulpWord[4], vport->fc_ns_retry);
597 
598 	/* Don't bother processing response if vport is being torn down. */
599 	if (vport->load_flag & FC_UNLOADING) {
600 		if (vport->fc_flag & FC_RSCN_MODE)
601 			lpfc_els_flush_rscn(vport);
602 		goto out;
603 	}
604 
605 	if (lpfc_els_chk_latt(vport)) {
606 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
607 				 "0216 Link event during NS query\n");
608 		if (vport->fc_flag & FC_RSCN_MODE)
609 			lpfc_els_flush_rscn(vport);
610 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
611 		goto out;
612 	}
613 	if (lpfc_error_lost_link(irsp)) {
614 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
615 				 "0226 NS query failed due to link event\n");
616 		if (vport->fc_flag & FC_RSCN_MODE)
617 			lpfc_els_flush_rscn(vport);
618 		goto out;
619 	}
620 	if (irsp->ulpStatus) {
621 		/* Check for retry */
622 		if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
623 			if (irsp->ulpStatus != IOSTAT_LOCAL_REJECT ||
624 			    (irsp->un.ulpWord[4] & IOERR_PARAM_MASK) !=
625 			    IOERR_NO_RESOURCES)
626 				vport->fc_ns_retry++;
627 
628 			/* CT command is being retried */
629 			rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
630 					 vport->fc_ns_retry, 0);
631 			if (rc == 0)
632 				goto out;
633 		}
634 		if (vport->fc_flag & FC_RSCN_MODE)
635 			lpfc_els_flush_rscn(vport);
636 		lpfc_vport_set_state(vport, FC_VPORT_FAILED);
637 		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
638 				 "0257 GID_FT Query error: 0x%x 0x%x\n",
639 				 irsp->ulpStatus, vport->fc_ns_retry);
640 	} else {
641 		/* Good status, continue checking */
642 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
643 		if (CTrsp->CommandResponse.bits.CmdRsp ==
644 		    cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
645 			lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
646 					 "0208 NameServer Rsp Data: x%x\n",
647 					 vport->fc_flag);
648 			lpfc_ns_rsp(vport, outp,
649 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
650 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==
651 			   be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
652 			/* NameServer Rsp Error */
653 			if ((CTrsp->ReasonCode == SLI_CT_UNABLE_TO_PERFORM_REQ)
654 			    && (CTrsp->Explanation == SLI_CT_NO_FC4_TYPES)) {
655 				lpfc_printf_vlog(vport, KERN_INFO,
656 					LOG_DISCOVERY,
657 					"0269 No NameServer Entries "
658 					"Data: x%x x%x x%x x%x\n",
659 					CTrsp->CommandResponse.bits.CmdRsp,
660 					(uint32_t) CTrsp->ReasonCode,
661 					(uint32_t) CTrsp->Explanation,
662 					vport->fc_flag);
663 
664 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
665 				"GID_FT no entry  cmd:x%x rsn:x%x exp:x%x",
666 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
667 				(uint32_t) CTrsp->ReasonCode,
668 				(uint32_t) CTrsp->Explanation);
669 			} else {
670 				lpfc_printf_vlog(vport, KERN_INFO,
671 					LOG_DISCOVERY,
672 					"0240 NameServer Rsp Error "
673 					"Data: x%x x%x x%x x%x\n",
674 					CTrsp->CommandResponse.bits.CmdRsp,
675 					(uint32_t) CTrsp->ReasonCode,
676 					(uint32_t) CTrsp->Explanation,
677 					vport->fc_flag);
678 
679 				lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
680 				"GID_FT rsp err1  cmd:x%x rsn:x%x exp:x%x",
681 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
682 				(uint32_t) CTrsp->ReasonCode,
683 				(uint32_t) CTrsp->Explanation);
684 			}
685 
686 
687 		} else {
688 			/* NameServer Rsp Error */
689 			lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
690 					"0241 NameServer Rsp Error "
691 					"Data: x%x x%x x%x x%x\n",
692 					CTrsp->CommandResponse.bits.CmdRsp,
693 					(uint32_t) CTrsp->ReasonCode,
694 					(uint32_t) CTrsp->Explanation,
695 					vport->fc_flag);
696 
697 			lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
698 				"GID_FT rsp err2  cmd:x%x rsn:x%x exp:x%x",
699 				(uint32_t)CTrsp->CommandResponse.bits.CmdRsp,
700 				(uint32_t) CTrsp->ReasonCode,
701 				(uint32_t) CTrsp->Explanation);
702 		}
703 	}
704 	/* Link up / RSCN discovery */
705 	if (vport->num_disc_nodes == 0) {
706 		/*
707 		 * The driver has cycled through all Nports in the RSCN payload.
708 		 * Complete the handling by cleaning up and marking the
709 		 * current driver state.
710 		 */
711 		if (vport->port_state >= LPFC_DISC_AUTH) {
712 			if (vport->fc_flag & FC_RSCN_MODE) {
713 				lpfc_els_flush_rscn(vport);
714 				spin_lock_irq(shost->host_lock);
715 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
716 				spin_unlock_irq(shost->host_lock);
717 			}
718 			else
719 				lpfc_els_flush_rscn(vport);
720 		}
721 
722 		lpfc_disc_start(vport);
723 	}
724 out:
725 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
726 	lpfc_ct_free_iocb(phba, cmdiocb);
727 	return;
728 }
729 
730 static void
731 lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
732 			struct lpfc_iocbq *rspiocb)
733 {
734 	struct lpfc_vport *vport = cmdiocb->vport;
735 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
736 	IOCB_t *irsp = &rspiocb->iocb;
737 	struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1;
738 	struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2;
739 	struct lpfc_sli_ct_request *CTrsp;
740 	int did, rc, retry;
741 	uint8_t fbits;
742 	struct lpfc_nodelist *ndlp;
743 
744 	did = ((struct lpfc_sli_ct_request *) inp->virt)->un.gff.PortId;
745 	did = be32_to_cpu(did);
746 
747 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
748 		"GFF_ID cmpl:     status:x%x/x%x did:x%x",
749 		irsp->ulpStatus, irsp->un.ulpWord[4], did);
750 
751 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
752 		/* Good status, continue checking */
753 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
754 		fbits = CTrsp->un.gff_acc.fbits[FCP_TYPE_FEATURE_OFFSET];
755 
756 		if (CTrsp->CommandResponse.bits.CmdRsp ==
757 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
758 			if ((fbits & FC4_FEATURE_INIT) &&
759 			    !(fbits & FC4_FEATURE_TARGET)) {
760 				lpfc_printf_vlog(vport, KERN_INFO,
761 						 LOG_DISCOVERY,
762 						 "0270 Skip x%x GFF "
763 						 "NameServer Rsp Data: (init) "
764 						 "x%x x%x\n", did, fbits,
765 						 vport->fc_rscn_id_cnt);
766 				goto out;
767 			}
768 		}
769 	}
770 	else {
771 		/* Check for retry */
772 		if (cmdiocb->retry < LPFC_MAX_NS_RETRY) {
773 			retry = 1;
774 			if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
775 				switch ((irsp->un.ulpWord[4] &
776 					IOERR_PARAM_MASK)) {
777 
778 				case IOERR_NO_RESOURCES:
779 					/* We don't increment the retry
780 					 * count for this case.
781 					 */
782 					break;
783 				case IOERR_LINK_DOWN:
784 				case IOERR_SLI_ABORTED:
785 				case IOERR_SLI_DOWN:
786 					retry = 0;
787 					break;
788 				default:
789 					cmdiocb->retry++;
790 				}
791 			}
792 			else
793 				cmdiocb->retry++;
794 
795 			if (retry) {
796 				/* CT command is being retried */
797 				rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
798 					 cmdiocb->retry, did);
799 				if (rc == 0) {
800 					/* success */
801 					lpfc_ct_free_iocb(phba, cmdiocb);
802 					return;
803 				}
804 			}
805 		}
806 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
807 				 "0267 NameServer GFF Rsp "
808 				 "x%x Error (%d %d) Data: x%x x%x\n",
809 				 did, irsp->ulpStatus, irsp->un.ulpWord[4],
810 				 vport->fc_flag, vport->fc_rscn_id_cnt);
811 	}
812 
813 	/* This is a target port, unregistered port, or the GFF_ID failed */
814 	ndlp = lpfc_setup_disc_node(vport, did);
815 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
816 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
817 				 "0242 Process x%x GFF "
818 				 "NameServer Rsp Data: x%x x%x x%x\n",
819 				 did, ndlp->nlp_flag, vport->fc_flag,
820 				 vport->fc_rscn_id_cnt);
821 	} else {
822 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
823 				 "0243 Skip x%x GFF "
824 				 "NameServer Rsp Data: x%x x%x\n", did,
825 				 vport->fc_flag, vport->fc_rscn_id_cnt);
826 	}
827 out:
828 	/* Link up / RSCN discovery */
829 	if (vport->num_disc_nodes)
830 		vport->num_disc_nodes--;
831 	if (vport->num_disc_nodes == 0) {
832 		/*
833 		 * The driver has cycled through all Nports in the RSCN payload.
834 		 * Complete the handling by cleaning up and marking the
835 		 * current driver state.
836 		 */
837 		if (vport->port_state >= LPFC_DISC_AUTH) {
838 			if (vport->fc_flag & FC_RSCN_MODE) {
839 				lpfc_els_flush_rscn(vport);
840 				spin_lock_irq(shost->host_lock);
841 				vport->fc_flag |= FC_RSCN_MODE; /* RSCN still */
842 				spin_unlock_irq(shost->host_lock);
843 			}
844 			else
845 				lpfc_els_flush_rscn(vport);
846 		}
847 		lpfc_disc_start(vport);
848 	}
849 	lpfc_ct_free_iocb(phba, cmdiocb);
850 	return;
851 }
852 
853 
854 static void
855 lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
856 	     struct lpfc_iocbq *rspiocb)
857 {
858 	struct lpfc_vport *vport = cmdiocb->vport;
859 	struct lpfc_dmabuf *inp;
860 	struct lpfc_dmabuf *outp;
861 	IOCB_t *irsp;
862 	struct lpfc_sli_ct_request *CTrsp;
863 	struct lpfc_nodelist *ndlp;
864 	int cmdcode, rc;
865 	uint8_t retry;
866 	uint32_t latt;
867 
868 	/* First save ndlp, before we overwrite it */
869 	ndlp = cmdiocb->context_un.ndlp;
870 
871 	/* we pass cmdiocb to state machine which needs rspiocb as well */
872 	cmdiocb->context_un.rsp_iocb = rspiocb;
873 
874 	inp = (struct lpfc_dmabuf *) cmdiocb->context1;
875 	outp = (struct lpfc_dmabuf *) cmdiocb->context2;
876 	irsp = &rspiocb->iocb;
877 
878 	cmdcode = be16_to_cpu(((struct lpfc_sli_ct_request *) inp->virt)->
879 					CommandResponse.bits.CmdRsp);
880 	CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
881 
882 	latt = lpfc_els_chk_latt(vport);
883 
884 	/* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */
885 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
886 			 "0209 CT Request completes, latt %d, "
887 			 "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n",
888 			 latt, irsp->ulpStatus,
889 			 CTrsp->CommandResponse.bits.CmdRsp,
890 			 cmdiocb->iocb.ulpContext, cmdiocb->iocb.ulpIoTag);
891 
892 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
893 		"CT cmd cmpl:     status:x%x/x%x cmd:x%x",
894 		irsp->ulpStatus, irsp->un.ulpWord[4], cmdcode);
895 
896 	if (irsp->ulpStatus) {
897 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
898 				 "0268 NS cmd x%x Error (x%x x%x)\n",
899 				 cmdcode, irsp->ulpStatus, irsp->un.ulpWord[4]);
900 
901 		if ((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) &&
902 			(((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
903 			  IOERR_SLI_DOWN) ||
904 			 ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) ==
905 			  IOERR_SLI_ABORTED)))
906 			goto out;
907 
908 		retry = cmdiocb->retry;
909 		if (retry >= LPFC_MAX_NS_RETRY)
910 			goto out;
911 
912 		retry++;
913 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
914 				 "0250 Retrying NS cmd %x\n", cmdcode);
915 		rc = lpfc_ns_cmd(vport, cmdcode, retry, 0);
916 		if (rc == 0)
917 			goto out;
918 	}
919 
920 out:
921 	cmdiocb->context_un.ndlp = ndlp; /* Now restore ndlp for free */
922 	lpfc_ct_free_iocb(phba, cmdiocb);
923 	return;
924 }
925 
926 static void
927 lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
928 			struct lpfc_iocbq *rspiocb)
929 {
930 	IOCB_t *irsp = &rspiocb->iocb;
931 	struct lpfc_vport *vport = cmdiocb->vport;
932 
933 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
934 		struct lpfc_dmabuf *outp;
935 		struct lpfc_sli_ct_request *CTrsp;
936 
937 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
938 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
939 		if (CTrsp->CommandResponse.bits.CmdRsp ==
940 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
941 			vport->ct_flags |= FC_CT_RFT_ID;
942 	}
943 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
944 	return;
945 }
946 
947 static void
948 lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
949 			struct lpfc_iocbq *rspiocb)
950 {
951 	IOCB_t *irsp = &rspiocb->iocb;
952 	struct lpfc_vport *vport = cmdiocb->vport;
953 
954 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
955 		struct lpfc_dmabuf *outp;
956 		struct lpfc_sli_ct_request *CTrsp;
957 
958 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
959 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
960 		if (CTrsp->CommandResponse.bits.CmdRsp ==
961 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
962 			vport->ct_flags |= FC_CT_RNN_ID;
963 	}
964 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
965 	return;
966 }
967 
968 static void
969 lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
970 			 struct lpfc_iocbq *rspiocb)
971 {
972 	IOCB_t *irsp = &rspiocb->iocb;
973 	struct lpfc_vport *vport = cmdiocb->vport;
974 
975 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
976 		struct lpfc_dmabuf *outp;
977 		struct lpfc_sli_ct_request *CTrsp;
978 
979 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
980 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
981 		if (CTrsp->CommandResponse.bits.CmdRsp ==
982 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
983 			vport->ct_flags |= FC_CT_RSPN_ID;
984 	}
985 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
986 	return;
987 }
988 
989 static void
990 lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
991 			 struct lpfc_iocbq *rspiocb)
992 {
993 	IOCB_t *irsp = &rspiocb->iocb;
994 	struct lpfc_vport *vport = cmdiocb->vport;
995 
996 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
997 		struct lpfc_dmabuf *outp;
998 		struct lpfc_sli_ct_request *CTrsp;
999 
1000 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1001 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1002 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1003 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1004 			vport->ct_flags |= FC_CT_RSNN_NN;
1005 	}
1006 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1007 	return;
1008 }
1009 
1010 static void
1011 lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1012  struct lpfc_iocbq *rspiocb)
1013 {
1014 	struct lpfc_vport *vport = cmdiocb->vport;
1015 
1016 	/* even if it fails we will act as though it succeeded. */
1017 	vport->ct_flags = 0;
1018 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1019 	return;
1020 }
1021 
1022 static void
1023 lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1024 			struct lpfc_iocbq *rspiocb)
1025 {
1026 	IOCB_t *irsp = &rspiocb->iocb;
1027 	struct lpfc_vport *vport = cmdiocb->vport;
1028 
1029 	if (irsp->ulpStatus == IOSTAT_SUCCESS) {
1030 		struct lpfc_dmabuf *outp;
1031 		struct lpfc_sli_ct_request *CTrsp;
1032 
1033 		outp = (struct lpfc_dmabuf *) cmdiocb->context2;
1034 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
1035 		if (CTrsp->CommandResponse.bits.CmdRsp ==
1036 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC))
1037 			vport->ct_flags |= FC_CT_RFF_ID;
1038 	}
1039 	lpfc_cmpl_ct(phba, cmdiocb, rspiocb);
1040 	return;
1041 }
1042 
1043 int
1044 lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
1045 	size_t size)
1046 {
1047 	int n;
1048 	uint8_t *wwn = vport->phba->wwpn;
1049 
1050 	n = snprintf(symbol, size,
1051 		     "Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
1052 		     wwn[0], wwn[1], wwn[2], wwn[3],
1053 		     wwn[4], wwn[5], wwn[6], wwn[7]);
1054 
1055 	if (vport->port_type == LPFC_PHYSICAL_PORT)
1056 		return n;
1057 
1058 	if (n < size)
1059 		n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
1060 
1061 	if (n < size &&
1062 	    strlen(vport->fc_vport->symbolic_name))
1063 		n += snprintf(symbol + n, size - n, " VName-%s",
1064 			      vport->fc_vport->symbolic_name);
1065 	return n;
1066 }
1067 
1068 int
1069 lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
1070 	size_t size)
1071 {
1072 	char fwrev[FW_REV_STR_SIZE];
1073 	int n;
1074 
1075 	lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
1076 
1077 	n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
1078 
1079 	if (size < n)
1080 		return n;
1081 	n += snprintf(symbol + n, size - n, " FV%s", fwrev);
1082 
1083 	if (size < n)
1084 		return n;
1085 	n += snprintf(symbol + n, size - n, " DV%s", lpfc_release_version);
1086 
1087 	if (size < n)
1088 		return n;
1089 	n += snprintf(symbol + n, size - n, " HN:%s", init_utsname()->nodename);
1090 
1091 	/* Note :- OS name is "Linux" */
1092 	if (size < n)
1093 		return n;
1094 	n += snprintf(symbol + n, size - n, " OS:%s", init_utsname()->sysname);
1095 
1096 	return n;
1097 }
1098 
1099 static uint32_t
1100 lpfc_find_map_node(struct lpfc_vport *vport)
1101 {
1102 	struct lpfc_nodelist *ndlp, *next_ndlp;
1103 	struct Scsi_Host  *shost;
1104 	uint32_t cnt = 0;
1105 
1106 	shost = lpfc_shost_from_vport(vport);
1107 	spin_lock_irq(shost->host_lock);
1108 	list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) {
1109 		if (ndlp->nlp_type & NLP_FABRIC)
1110 			continue;
1111 		if ((ndlp->nlp_state == NLP_STE_MAPPED_NODE) ||
1112 		    (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE))
1113 			cnt++;
1114 	}
1115 	spin_unlock_irq(shost->host_lock);
1116 	return cnt;
1117 }
1118 
1119 /*
1120  * lpfc_ns_cmd
1121  * Description:
1122  *    Issue Cmd to NameServer
1123  *       SLI_CTNS_GID_FT
1124  *       LI_CTNS_RFT_ID
1125  */
1126 int
1127 lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
1128 	    uint8_t retry, uint32_t context)
1129 {
1130 	struct lpfc_nodelist * ndlp;
1131 	struct lpfc_hba *phba = vport->phba;
1132 	struct lpfc_dmabuf *mp, *bmp;
1133 	struct lpfc_sli_ct_request *CtReq;
1134 	struct ulp_bde64 *bpl;
1135 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1136 		      struct lpfc_iocbq *) = NULL;
1137 	uint32_t rsp_size = 1024;
1138 	size_t   size;
1139 	int rc = 0;
1140 
1141 	ndlp = lpfc_findnode_did(vport, NameServer_DID);
1142 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)
1143 	    || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) {
1144 		rc=1;
1145 		goto ns_cmd_exit;
1146 	}
1147 
1148 	/* fill in BDEs for command */
1149 	/* Allocate buffer for command payload */
1150 	mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1151 	if (!mp) {
1152 		rc=2;
1153 		goto ns_cmd_exit;
1154 	}
1155 
1156 	INIT_LIST_HEAD(&mp->list);
1157 	mp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(mp->phys));
1158 	if (!mp->virt) {
1159 		rc=3;
1160 		goto ns_cmd_free_mp;
1161 	}
1162 
1163 	/* Allocate buffer for Buffer ptr list */
1164 	bmp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL);
1165 	if (!bmp) {
1166 		rc=4;
1167 		goto ns_cmd_free_mpvirt;
1168 	}
1169 
1170 	INIT_LIST_HEAD(&bmp->list);
1171 	bmp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &(bmp->phys));
1172 	if (!bmp->virt) {
1173 		rc=5;
1174 		goto ns_cmd_free_bmp;
1175 	}
1176 
1177 	/* NameServer Req */
1178 	lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
1179 			 "0236 NameServer Req Data: x%x x%x x%x\n",
1180 			 cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
1181 
1182 	bpl = (struct ulp_bde64 *) bmp->virt;
1183 	memset(bpl, 0, sizeof(struct ulp_bde64));
1184 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys) );
1185 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys) );
1186 	bpl->tus.f.bdeFlags = 0;
1187 	if (cmdcode == SLI_CTNS_GID_FT)
1188 		bpl->tus.f.bdeSize = GID_REQUEST_SZ;
1189 	else if (cmdcode == SLI_CTNS_GFF_ID)
1190 		bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
1191 	else if (cmdcode == SLI_CTNS_RFT_ID)
1192 		bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
1193 	else if (cmdcode == SLI_CTNS_RNN_ID)
1194 		bpl->tus.f.bdeSize = RNN_REQUEST_SZ;
1195 	else if (cmdcode == SLI_CTNS_RSPN_ID)
1196 		bpl->tus.f.bdeSize = RSPN_REQUEST_SZ;
1197 	else if (cmdcode == SLI_CTNS_RSNN_NN)
1198 		bpl->tus.f.bdeSize = RSNN_REQUEST_SZ;
1199 	else if (cmdcode == SLI_CTNS_DA_ID)
1200 		bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ;
1201 	else if (cmdcode == SLI_CTNS_RFF_ID)
1202 		bpl->tus.f.bdeSize = RFF_REQUEST_SZ;
1203 	else
1204 		bpl->tus.f.bdeSize = 0;
1205 	bpl->tus.w = le32_to_cpu(bpl->tus.w);
1206 
1207 	CtReq = (struct lpfc_sli_ct_request *) mp->virt;
1208 	memset(CtReq, 0, sizeof (struct lpfc_sli_ct_request));
1209 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1210 	CtReq->RevisionId.bits.InId = 0;
1211 	CtReq->FsType = SLI_CT_DIRECTORY_SERVICE;
1212 	CtReq->FsSubType = SLI_CT_DIRECTORY_NAME_SERVER;
1213 	CtReq->CommandResponse.bits.Size = 0;
1214 	switch (cmdcode) {
1215 	case SLI_CTNS_GID_FT:
1216 		CtReq->CommandResponse.bits.CmdRsp =
1217 		    cpu_to_be16(SLI_CTNS_GID_FT);
1218 		CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
1219 		if (vport->port_state < LPFC_NS_QRY)
1220 			vport->port_state = LPFC_NS_QRY;
1221 		lpfc_set_disctmo(vport);
1222 		cmpl = lpfc_cmpl_ct_cmd_gid_ft;
1223 		rsp_size = FC_MAX_NS_RSP;
1224 		break;
1225 
1226 	case SLI_CTNS_GFF_ID:
1227 		CtReq->CommandResponse.bits.CmdRsp =
1228 			cpu_to_be16(SLI_CTNS_GFF_ID);
1229 		CtReq->un.gff.PortId = cpu_to_be32(context);
1230 		cmpl = lpfc_cmpl_ct_cmd_gff_id;
1231 		break;
1232 
1233 	case SLI_CTNS_RFT_ID:
1234 		vport->ct_flags &= ~FC_CT_RFT_ID;
1235 		CtReq->CommandResponse.bits.CmdRsp =
1236 		    cpu_to_be16(SLI_CTNS_RFT_ID);
1237 		CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
1238 		CtReq->un.rft.fcpReg = 1;
1239 		cmpl = lpfc_cmpl_ct_cmd_rft_id;
1240 		break;
1241 
1242 	case SLI_CTNS_RNN_ID:
1243 		vport->ct_flags &= ~FC_CT_RNN_ID;
1244 		CtReq->CommandResponse.bits.CmdRsp =
1245 		    cpu_to_be16(SLI_CTNS_RNN_ID);
1246 		CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID);
1247 		memcpy(CtReq->un.rnn.wwnn,  &vport->fc_nodename,
1248 		       sizeof (struct lpfc_name));
1249 		cmpl = lpfc_cmpl_ct_cmd_rnn_id;
1250 		break;
1251 
1252 	case SLI_CTNS_RSPN_ID:
1253 		vport->ct_flags &= ~FC_CT_RSPN_ID;
1254 		CtReq->CommandResponse.bits.CmdRsp =
1255 		    cpu_to_be16(SLI_CTNS_RSPN_ID);
1256 		CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID);
1257 		size = sizeof(CtReq->un.rspn.symbname);
1258 		CtReq->un.rspn.len =
1259 			lpfc_vport_symbolic_port_name(vport,
1260 			CtReq->un.rspn.symbname, size);
1261 		cmpl = lpfc_cmpl_ct_cmd_rspn_id;
1262 		break;
1263 	case SLI_CTNS_RSNN_NN:
1264 		vport->ct_flags &= ~FC_CT_RSNN_NN;
1265 		CtReq->CommandResponse.bits.CmdRsp =
1266 		    cpu_to_be16(SLI_CTNS_RSNN_NN);
1267 		memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename,
1268 		       sizeof (struct lpfc_name));
1269 		size = sizeof(CtReq->un.rsnn.symbname);
1270 		CtReq->un.rsnn.len =
1271 			lpfc_vport_symbolic_node_name(vport,
1272 			CtReq->un.rsnn.symbname, size);
1273 		cmpl = lpfc_cmpl_ct_cmd_rsnn_nn;
1274 		break;
1275 	case SLI_CTNS_DA_ID:
1276 		/* Implement DA_ID Nameserver request */
1277 		CtReq->CommandResponse.bits.CmdRsp =
1278 			cpu_to_be16(SLI_CTNS_DA_ID);
1279 		CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID);
1280 		cmpl = lpfc_cmpl_ct_cmd_da_id;
1281 		break;
1282 	case SLI_CTNS_RFF_ID:
1283 		vport->ct_flags &= ~FC_CT_RFF_ID;
1284 		CtReq->CommandResponse.bits.CmdRsp =
1285 		    cpu_to_be16(SLI_CTNS_RFF_ID);
1286 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
1287 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
1288 		CtReq->un.rff.type_code = FC_TYPE_FCP;
1289 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
1290 		break;
1291 	}
1292 	/* The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
1293 	 * to hold ndlp reference for the corresponding callback function.
1294 	 */
1295 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, retry)) {
1296 		/* On success, The cmpl function will free the buffers */
1297 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1298 			"Issue CT cmd:    cmd:x%x did:x%x",
1299 			cmdcode, ndlp->nlp_DID, 0);
1300 		return 0;
1301 	}
1302 	rc=6;
1303 
1304 	/* Decrement ndlp reference count to release ndlp reference held
1305 	 * for the failed command's callback function.
1306 	 */
1307 	lpfc_nlp_put(ndlp);
1308 
1309 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
1310 ns_cmd_free_bmp:
1311 	kfree(bmp);
1312 ns_cmd_free_mpvirt:
1313 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
1314 ns_cmd_free_mp:
1315 	kfree(mp);
1316 ns_cmd_exit:
1317 	lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
1318 			 "0266 Issue NameServer Req x%x err %d Data: x%x x%x\n",
1319 			 cmdcode, rc, vport->fc_flag, vport->fc_rscn_id_cnt);
1320 	return 1;
1321 }
1322 
1323 static void
1324 lpfc_cmpl_ct_cmd_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1325 		      struct lpfc_iocbq * rspiocb)
1326 {
1327 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1328 	struct lpfc_dmabuf *outp = cmdiocb->context2;
1329 	struct lpfc_sli_ct_request *CTrsp = outp->virt;
1330 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1331 	struct lpfc_nodelist *ndlp;
1332 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1333 	uint16_t fdmi_rsp = CTrsp->CommandResponse.bits.CmdRsp;
1334 	struct lpfc_vport *vport = cmdiocb->vport;
1335 	IOCB_t *irsp = &rspiocb->iocb;
1336 	uint32_t latt;
1337 
1338 	latt = lpfc_els_chk_latt(vport);
1339 	lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_CT,
1340 		"FDMI cmpl:       status:x%x/x%x latt:%d",
1341 		irsp->ulpStatus, irsp->un.ulpWord[4], latt);
1342 
1343 	if (latt || irsp->ulpStatus) {
1344 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1345 				 "0229 FDMI cmd %04x failed, latt = %d "
1346 				 "ulpStatus: x%x, rid x%x\n",
1347 				 be16_to_cpu(fdmi_cmd), latt, irsp->ulpStatus,
1348 				 irsp->un.ulpWord[4]);
1349 		goto fail_out;
1350 	}
1351 
1352 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1353 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1354 		goto fail_out;
1355 
1356 	if (fdmi_rsp == cpu_to_be16(SLI_CT_RESPONSE_FS_RJT)) {
1357 		/* FDMI rsp failed */
1358 		lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1359 				 "0220 FDMI rsp failed Data: x%x\n",
1360 				 be16_to_cpu(fdmi_cmd));
1361 	}
1362 
1363 fail_out:
1364 	lpfc_ct_free_iocb(phba, cmdiocb);
1365 }
1366 
1367 static void
1368 lpfc_cmpl_ct_disc_fdmi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
1369 		       struct lpfc_iocbq *rspiocb)
1370 {
1371 	struct lpfc_vport *vport = cmdiocb->vport;
1372 	struct lpfc_dmabuf *inp = cmdiocb->context1;
1373 	struct lpfc_sli_ct_request *CTcmd = inp->virt;
1374 	uint16_t fdmi_cmd = CTcmd->CommandResponse.bits.CmdRsp;
1375 	struct lpfc_nodelist *ndlp;
1376 
1377 	lpfc_cmpl_ct_cmd_fdmi(phba, cmdiocb, rspiocb);
1378 
1379 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
1380 	if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1381 		return;
1382 
1383 	/*
1384 	 * Need to cycle thru FDMI registration for discovery
1385 	 * DHBA -> DPRT -> RHBA -> RPA
1386 	 */
1387 	switch (be16_to_cpu(fdmi_cmd)) {
1388 	case SLI_MGMT_RHBA:
1389 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RPA);
1390 		break;
1391 
1392 	case SLI_MGMT_DHBA:
1393 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DPRT);
1394 		break;
1395 
1396 	case SLI_MGMT_DPRT:
1397 		lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_RHBA);
1398 		break;
1399 	}
1400 }
1401 
1402 
1403 int
1404 lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int cmdcode)
1405 {
1406 	struct lpfc_hba *phba = vport->phba;
1407 	struct lpfc_dmabuf *mp, *bmp;
1408 	struct lpfc_sli_ct_request *CtReq;
1409 	struct ulp_bde64 *bpl;
1410 	uint32_t size;
1411 	uint32_t rsp_size;
1412 	struct lpfc_fdmi_reg_hba *rh;
1413 	struct lpfc_fdmi_port_entry *pe;
1414 	struct lpfc_fdmi_reg_portattr *pab = NULL;
1415 	struct lpfc_fdmi_attr_block *ab = NULL;
1416 	struct lpfc_fdmi_attr_entry *ae;
1417 	struct lpfc_fdmi_attr_def *ad;
1418 	void (*cmpl) (struct lpfc_hba *, struct lpfc_iocbq *,
1419 		      struct lpfc_iocbq *);
1420 
1421 	if (ndlp == NULL) {
1422 		ndlp = lpfc_findnode_did(vport, FDMI_DID);
1423 		if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
1424 			return 0;
1425 		cmpl = lpfc_cmpl_ct_cmd_fdmi; /* cmd interface */
1426 	} else {
1427 		cmpl = lpfc_cmpl_ct_disc_fdmi; /* called from discovery */
1428 	}
1429 
1430 	/* fill in BDEs for command */
1431 	/* Allocate buffer for command payload */
1432 	mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1433 	if (!mp)
1434 		goto fdmi_cmd_exit;
1435 
1436 	mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys));
1437 	if (!mp->virt)
1438 		goto fdmi_cmd_free_mp;
1439 
1440 	/* Allocate buffer for Buffer ptr list */
1441 	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
1442 	if (!bmp)
1443 		goto fdmi_cmd_free_mpvirt;
1444 
1445 	bmp->virt = lpfc_mbuf_alloc(phba, 0, &(bmp->phys));
1446 	if (!bmp->virt)
1447 		goto fdmi_cmd_free_bmp;
1448 
1449 	INIT_LIST_HEAD(&mp->list);
1450 	INIT_LIST_HEAD(&bmp->list);
1451 
1452 	/* FDMI request */
1453 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
1454 			 "0218 FDMI Request Data: x%x x%x x%x\n",
1455 			 vport->fc_flag, vport->port_state, cmdcode);
1456 	CtReq = (struct lpfc_sli_ct_request *)mp->virt;
1457 
1458 	/* First populate the CT_IU preamble */
1459 	memset(CtReq, 0, sizeof(struct lpfc_sli_ct_request));
1460 	CtReq->RevisionId.bits.Revision = SLI_CT_REVISION;
1461 	CtReq->RevisionId.bits.InId = 0;
1462 
1463 	CtReq->FsType = SLI_CT_MANAGEMENT_SERVICE;
1464 	CtReq->FsSubType = SLI_CT_FDMI_Subtypes;
1465 
1466 	CtReq->CommandResponse.bits.CmdRsp = cpu_to_be16(cmdcode);
1467 	rsp_size = LPFC_BPL_SIZE;
1468 	size = 0;
1469 
1470 	/* Next fill in the specific FDMI cmd information */
1471 	switch (cmdcode) {
1472 	case SLI_MGMT_RHAT:
1473 	case SLI_MGMT_RHBA:
1474 		{
1475 			lpfc_vpd_t *vp = &phba->vpd;
1476 			uint32_t i, j, incr;
1477 			int len = 0;
1478 
1479 			rh = (struct lpfc_fdmi_reg_hba *)&CtReq->un.PortID;
1480 			/* HBA Identifier */
1481 			memcpy(&rh->hi.PortName, &vport->fc_sparam.portName,
1482 			       sizeof(struct lpfc_name));
1483 
1484 			if (cmdcode == SLI_MGMT_RHBA) {
1485 				/* Registered Port List */
1486 				/* One entry (port) per adapter */
1487 				rh->rpl.EntryCnt = cpu_to_be32(1);
1488 				memcpy(&rh->rpl.pe, &vport->fc_sparam.portName,
1489 				       sizeof(struct lpfc_name));
1490 
1491 				/* point to the HBA attribute block */
1492 				size = 2 * sizeof(struct lpfc_name) +
1493 					FOURBYTES;
1494 			} else {
1495 				size = sizeof(struct lpfc_name);
1496 			}
1497 			ab = (struct lpfc_fdmi_attr_block *)
1498 				((uint8_t *)rh + size);
1499 			ab->EntryCnt = 0;
1500 			size += FOURBYTES;
1501 
1502 			/*
1503 			 * Point to beginning of first HBA attribute entry
1504 			 */
1505 			/* #1 HBA attribute entry */
1506 			ad = (struct lpfc_fdmi_attr_def *)
1507 				((uint8_t *)rh + size);
1508 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1509 			memset(ae, 0, sizeof(struct lpfc_name));
1510 			ad->AttrType = cpu_to_be16(RHBA_NODENAME);
1511 			ad->AttrLen =  cpu_to_be16(FOURBYTES
1512 						+ sizeof(struct lpfc_name));
1513 			memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1514 			       sizeof(struct lpfc_name));
1515 			ab->EntryCnt++;
1516 			size += FOURBYTES + sizeof(struct lpfc_name);
1517 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1518 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1519 				goto hba_out;
1520 
1521 			/* #2 HBA attribute entry */
1522 			ad = (struct lpfc_fdmi_attr_def *)
1523 				((uint8_t *)rh + size);
1524 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1525 			memset(ae, 0, sizeof(ae->un.Manufacturer));
1526 			ad->AttrType = cpu_to_be16(RHBA_MANUFACTURER);
1527 			strncpy(ae->un.Manufacturer, "Emulex Corporation",
1528 				sizeof(ae->un.Manufacturer));
1529 			len = strnlen(ae->un.Manufacturer,
1530 					  sizeof(ae->un.Manufacturer));
1531 			len += (len & 3) ? (4 - (len & 3)) : 4;
1532 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1533 			ab->EntryCnt++;
1534 			size += FOURBYTES + len;
1535 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1536 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1537 				goto hba_out;
1538 
1539 			/* #3 HBA attribute entry */
1540 			ad = (struct lpfc_fdmi_attr_def *)
1541 				((uint8_t *)rh + size);
1542 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1543 			memset(ae, 0, sizeof(ae->un.SerialNumber));
1544 			ad->AttrType = cpu_to_be16(RHBA_SERIAL_NUMBER);
1545 			strncpy(ae->un.SerialNumber, phba->SerialNumber,
1546 				sizeof(ae->un.SerialNumber));
1547 			len = strnlen(ae->un.SerialNumber,
1548 					  sizeof(ae->un.SerialNumber));
1549 			len += (len & 3) ? (4 - (len & 3)) : 4;
1550 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1551 			ab->EntryCnt++;
1552 			size += FOURBYTES + len;
1553 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1554 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1555 				goto hba_out;
1556 
1557 			/* #4 HBA attribute entry */
1558 			ad = (struct lpfc_fdmi_attr_def *)
1559 				((uint8_t *)rh + size);
1560 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1561 			memset(ae, 0, sizeof(ae->un.Model));
1562 			ad->AttrType = cpu_to_be16(RHBA_MODEL);
1563 			strncpy(ae->un.Model, phba->ModelName,
1564 				sizeof(ae->un.Model));
1565 			len = strnlen(ae->un.Model, sizeof(ae->un.Model));
1566 			len += (len & 3) ? (4 - (len & 3)) : 4;
1567 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1568 			ab->EntryCnt++;
1569 			size += FOURBYTES + len;
1570 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1571 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1572 				goto hba_out;
1573 
1574 			/* #5 HBA attribute entry */
1575 			ad = (struct lpfc_fdmi_attr_def *)
1576 				((uint8_t *)rh + size);
1577 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1578 			memset(ae, 0, sizeof(ae->un.ModelDescription));
1579 			ad->AttrType = cpu_to_be16(RHBA_MODEL_DESCRIPTION);
1580 			strncpy(ae->un.ModelDescription, phba->ModelDesc,
1581 				sizeof(ae->un.ModelDescription));
1582 			len = strnlen(ae->un.ModelDescription,
1583 					  sizeof(ae->un.ModelDescription));
1584 			len += (len & 3) ? (4 - (len & 3)) : 4;
1585 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1586 			ab->EntryCnt++;
1587 			size += FOURBYTES + len;
1588 			if ((size + 8) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1589 				goto hba_out;
1590 
1591 			/* #6 HBA attribute entry */
1592 			ad = (struct lpfc_fdmi_attr_def *)
1593 				((uint8_t *)rh + size);
1594 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1595 			memset(ae, 0, 8);
1596 			ad->AttrType = cpu_to_be16(RHBA_HARDWARE_VERSION);
1597 			ad->AttrLen = cpu_to_be16(FOURBYTES + 8);
1598 			/* Convert JEDEC ID to ascii for hardware version */
1599 			incr = vp->rev.biuRev;
1600 			for (i = 0; i < 8; i++) {
1601 				j = (incr & 0xf);
1602 				if (j <= 9)
1603 					ae->un.HardwareVersion[7 - i] =
1604 					    (char)((uint8_t)0x30 +
1605 						   (uint8_t)j);
1606 				else
1607 					ae->un.HardwareVersion[7 - i] =
1608 					    (char)((uint8_t)0x61 +
1609 						   (uint8_t)(j - 10));
1610 				incr = (incr >> 4);
1611 			}
1612 			ab->EntryCnt++;
1613 			size += FOURBYTES + 8;
1614 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1615 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1616 				goto hba_out;
1617 
1618 			/* #7 HBA attribute entry */
1619 			ad = (struct lpfc_fdmi_attr_def *)
1620 				((uint8_t *)rh + size);
1621 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1622 			memset(ae, 0, sizeof(ae->un.DriverVersion));
1623 			ad->AttrType = cpu_to_be16(RHBA_DRIVER_VERSION);
1624 			strncpy(ae->un.DriverVersion, lpfc_release_version,
1625 				sizeof(ae->un.DriverVersion));
1626 			len = strnlen(ae->un.DriverVersion,
1627 					sizeof(ae->un.DriverVersion));
1628 			len += (len & 3) ? (4 - (len & 3)) : 4;
1629 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1630 			ab->EntryCnt++;
1631 			size += FOURBYTES + len;
1632 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1633 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1634 				goto hba_out;
1635 
1636 			/* #8 HBA attribute entry */
1637 			ad = (struct lpfc_fdmi_attr_def *)
1638 				((uint8_t *)rh + size);
1639 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1640 			memset(ae, 0, sizeof(ae->un.OptionROMVersion));
1641 			ad->AttrType = cpu_to_be16(RHBA_OPTION_ROM_VERSION);
1642 			strncpy(ae->un.OptionROMVersion, phba->OptionROMVersion,
1643 				sizeof(ae->un.OptionROMVersion));
1644 			len = strnlen(ae->un.OptionROMVersion,
1645 				      sizeof(ae->un.OptionROMVersion));
1646 			len += (len & 3) ? (4 - (len & 3)) : 4;
1647 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1648 			ab->EntryCnt++;
1649 			size += FOURBYTES + len;
1650 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1651 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1652 				goto hba_out;
1653 
1654 			/* #9 HBA attribute entry */
1655 			ad = (struct lpfc_fdmi_attr_def *)
1656 				((uint8_t *)rh + size);
1657 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1658 			memset(ae, 0, sizeof(ae->un.FirmwareVersion));
1659 			ad->AttrType = cpu_to_be16(RHBA_FIRMWARE_VERSION);
1660 			lpfc_decode_firmware_rev(phba, ae->un.FirmwareVersion,
1661 				1);
1662 			len = strnlen(ae->un.FirmwareVersion,
1663 					sizeof(ae->un.FirmwareVersion));
1664 			len += (len & 3) ? (4 - (len & 3)) : 4;
1665 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1666 			ab->EntryCnt++;
1667 			size += FOURBYTES + len;
1668 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1669 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1670 				goto hba_out;
1671 
1672 			/* #10 HBA attribute entry */
1673 			ad = (struct lpfc_fdmi_attr_def *)
1674 				((uint8_t *)rh + size);
1675 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1676 			memset(ae, 0, sizeof(ae->un.OsNameVersion));
1677 			ad->AttrType = cpu_to_be16(RHBA_OS_NAME_VERSION);
1678 			snprintf(ae->un.OsNameVersion,
1679 				 sizeof(ae->un.OsNameVersion),
1680 				 "%s %s %s",
1681 				 init_utsname()->sysname,
1682 				 init_utsname()->release,
1683 				 init_utsname()->version);
1684 			len = strnlen(ae->un.OsNameVersion,
1685 				      sizeof(ae->un.OsNameVersion));
1686 			len += (len & 3) ? (4 - (len & 3)) : 4;
1687 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1688 			ab->EntryCnt++;
1689 			size += FOURBYTES + len;
1690 			if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1691 				goto hba_out;
1692 
1693 			/* #11 HBA attribute entry */
1694 			ad = (struct lpfc_fdmi_attr_def *)
1695 				((uint8_t *)rh + size);
1696 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1697 			ad->AttrType =
1698 				cpu_to_be16(RHBA_MAX_CT_PAYLOAD_LEN);
1699 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1700 			ae->un.MaxCTPayloadLen = cpu_to_be32(LPFC_MAX_CT_SIZE);
1701 			ab->EntryCnt++;
1702 			size += FOURBYTES + 4;
1703 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1704 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1705 				goto hba_out;
1706 
1707 			/*
1708 			 * Currently switches don't seem to support the
1709 			 * following extended HBA attributes.
1710 			 */
1711 			if (!(vport->cfg_fdmi_on & LPFC_FDMI_ALL_ATTRIB))
1712 				goto hba_out;
1713 
1714 			/* #12 HBA attribute entry */
1715 			ad = (struct lpfc_fdmi_attr_def *)
1716 				((uint8_t *)rh + size);
1717 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1718 			memset(ae, 0, sizeof(ae->un.NodeSymName));
1719 			ad->AttrType = cpu_to_be16(RHBA_SYM_NODENAME);
1720 			len = lpfc_vport_symbolic_node_name(vport,
1721 				ae->un.NodeSymName, sizeof(ae->un.NodeSymName));
1722 			len += (len & 3) ? (4 - (len & 3)) : 4;
1723 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1724 			ab->EntryCnt++;
1725 			size += FOURBYTES + len;
1726 hba_out:
1727 			ab->EntryCnt = cpu_to_be32(ab->EntryCnt);
1728 			/* Total size */
1729 			size = GID_REQUEST_SZ - 4 + size;
1730 		}
1731 		break;
1732 
1733 	case SLI_MGMT_RPRT:
1734 	case SLI_MGMT_RPA:
1735 		{
1736 			lpfc_vpd_t *vp;
1737 			struct serv_parm *hsp;
1738 			int len = 0;
1739 
1740 			vp = &phba->vpd;
1741 
1742 			if (cmdcode == SLI_MGMT_RPRT) {
1743 				rh = (struct lpfc_fdmi_reg_hba *)
1744 					&CtReq->un.PortID;
1745 				/* HBA Identifier */
1746 				memcpy(&rh->hi.PortName,
1747 				       &vport->fc_sparam.portName,
1748 				       sizeof(struct lpfc_name));
1749 				pab = (struct lpfc_fdmi_reg_portattr *)
1750 					&rh->rpl.EntryCnt;
1751 			} else
1752 				pab = (struct lpfc_fdmi_reg_portattr *)
1753 					&CtReq->un.PortID;
1754 			size = sizeof(struct lpfc_name) + FOURBYTES;
1755 			memcpy((uint8_t *)&pab->PortName,
1756 			       (uint8_t *)&vport->fc_sparam.portName,
1757 			       sizeof(struct lpfc_name));
1758 			pab->ab.EntryCnt = 0;
1759 
1760 			/* #1 Port attribute entry */
1761 			ad = (struct lpfc_fdmi_attr_def *)
1762 				((uint8_t *)pab + size);
1763 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1764 			memset(ae, 0, sizeof(ae->un.FC4Types));
1765 			ad->AttrType =
1766 				cpu_to_be16(RPRT_SUPPORTED_FC4_TYPES);
1767 			ad->AttrLen = cpu_to_be16(FOURBYTES + 32);
1768 			ae->un.FC4Types[0] = 0x40; /* Type 1 - ELS */
1769 			ae->un.FC4Types[1] = 0x80; /* Type 8 - FCP */
1770 			ae->un.FC4Types[4] = 0x80; /* Type 32 - CT */
1771 			pab->ab.EntryCnt++;
1772 			size += FOURBYTES + 32;
1773 
1774 			/* #2 Port attribute entry */
1775 			ad = (struct lpfc_fdmi_attr_def *)
1776 				((uint8_t *)pab + size);
1777 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1778 			ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_SPEED);
1779 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1780 			ae->un.SupportSpeed = 0;
1781 			if (phba->lmt & LMT_16Gb)
1782 				ae->un.SupportSpeed |= HBA_PORTSPEED_16GBIT;
1783 			if (phba->lmt & LMT_10Gb)
1784 				ae->un.SupportSpeed |= HBA_PORTSPEED_10GBIT;
1785 			if (phba->lmt & LMT_8Gb)
1786 				ae->un.SupportSpeed |= HBA_PORTSPEED_8GBIT;
1787 			if (phba->lmt & LMT_4Gb)
1788 				ae->un.SupportSpeed |= HBA_PORTSPEED_4GBIT;
1789 			if (phba->lmt & LMT_2Gb)
1790 				ae->un.SupportSpeed |= HBA_PORTSPEED_2GBIT;
1791 			if (phba->lmt & LMT_1Gb)
1792 				ae->un.SupportSpeed |= HBA_PORTSPEED_1GBIT;
1793 			ae->un.SupportSpeed =
1794 				cpu_to_be32(ae->un.SupportSpeed);
1795 
1796 			pab->ab.EntryCnt++;
1797 			size += FOURBYTES + 4;
1798 
1799 			/* #3 Port attribute entry */
1800 			ad = (struct lpfc_fdmi_attr_def *)
1801 				((uint8_t *)pab + size);
1802 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1803 			ad->AttrType = cpu_to_be16(RPRT_PORT_SPEED);
1804 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1805 			switch (phba->fc_linkspeed) {
1806 			case LPFC_LINK_SPEED_1GHZ:
1807 				ae->un.PortSpeed = HBA_PORTSPEED_1GBIT;
1808 				break;
1809 			case LPFC_LINK_SPEED_2GHZ:
1810 				ae->un.PortSpeed = HBA_PORTSPEED_2GBIT;
1811 				break;
1812 			case LPFC_LINK_SPEED_4GHZ:
1813 				ae->un.PortSpeed = HBA_PORTSPEED_4GBIT;
1814 				break;
1815 			case LPFC_LINK_SPEED_8GHZ:
1816 				ae->un.PortSpeed = HBA_PORTSPEED_8GBIT;
1817 				break;
1818 			case LPFC_LINK_SPEED_10GHZ:
1819 				ae->un.PortSpeed = HBA_PORTSPEED_10GBIT;
1820 				break;
1821 			case LPFC_LINK_SPEED_16GHZ:
1822 				ae->un.PortSpeed = HBA_PORTSPEED_16GBIT;
1823 				break;
1824 			default:
1825 				ae->un.PortSpeed = HBA_PORTSPEED_UNKNOWN;
1826 				break;
1827 			}
1828 			ae->un.PortSpeed = cpu_to_be32(ae->un.PortSpeed);
1829 			pab->ab.EntryCnt++;
1830 			size += FOURBYTES + 4;
1831 
1832 			/* #4 Port attribute entry */
1833 			ad = (struct lpfc_fdmi_attr_def *)
1834 				((uint8_t *)pab + size);
1835 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1836 			ad->AttrType = cpu_to_be16(RPRT_MAX_FRAME_SIZE);
1837 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1838 			hsp = (struct serv_parm *)&vport->fc_sparam;
1839 			ae->un.MaxFrameSize =
1840 			    (((uint32_t)hsp->cmn.
1841 			      bbRcvSizeMsb) << 8) | (uint32_t)hsp->cmn.
1842 			    bbRcvSizeLsb;
1843 			ae->un.MaxFrameSize =
1844 				cpu_to_be32(ae->un.MaxFrameSize);
1845 			pab->ab.EntryCnt++;
1846 			size += FOURBYTES + 4;
1847 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1848 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1849 				goto port_out;
1850 
1851 			/* #5 Port attribute entry */
1852 			ad = (struct lpfc_fdmi_attr_def *)
1853 				((uint8_t *)pab + size);
1854 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1855 			memset(ae, 0, sizeof(ae->un.OsDeviceName));
1856 			ad->AttrType = cpu_to_be16(RPRT_OS_DEVICE_NAME);
1857 			strncpy((char *)ae->un.OsDeviceName, LPFC_DRIVER_NAME,
1858 				sizeof(ae->un.OsDeviceName));
1859 			len = strnlen((char *)ae->un.OsDeviceName,
1860 					  sizeof(ae->un.OsDeviceName));
1861 			len += (len & 3) ? (4 - (len & 3)) : 4;
1862 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1863 			pab->ab.EntryCnt++;
1864 			size += FOURBYTES + len;
1865 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1866 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1867 				goto port_out;
1868 
1869 			/* #6 Port attribute entry */
1870 			ad = (struct lpfc_fdmi_attr_def *)
1871 				((uint8_t *)pab + size);
1872 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1873 			memset(ae, 0, sizeof(ae->un.HostName));
1874 			snprintf(ae->un.HostName, sizeof(ae->un.HostName), "%s",
1875 				 init_utsname()->nodename);
1876 			ad->AttrType = cpu_to_be16(RPRT_HOST_NAME);
1877 			len = strnlen(ae->un.HostName,
1878 					sizeof(ae->un.HostName));
1879 			len += (len & 3) ? (4 - (len & 3)) : 4;
1880 			ad->AttrLen =
1881 				cpu_to_be16(FOURBYTES + len);
1882 			pab->ab.EntryCnt++;
1883 			size += FOURBYTES + len;
1884 			if ((size + sizeof(struct lpfc_name)) >
1885 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1886 				goto port_out;
1887 
1888 			/*
1889 			 * Currently switches don't seem to support the
1890 			 * following extended Port attributes.
1891 			 */
1892 			if (!(vport->cfg_fdmi_on & LPFC_FDMI_ALL_ATTRIB))
1893 				goto port_out;
1894 
1895 			/* #7 Port attribute entry */
1896 			ad = (struct lpfc_fdmi_attr_def *)
1897 				((uint8_t *)pab + size);
1898 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1899 			memset(ae, 0,  sizeof(struct lpfc_name));
1900 			ad->AttrType = cpu_to_be16(RPRT_NODENAME);
1901 			ad->AttrLen =  cpu_to_be16(FOURBYTES
1902 						+ sizeof(struct lpfc_name));
1903 			memcpy(&ae->un.NodeName, &vport->fc_sparam.nodeName,
1904 			       sizeof(struct lpfc_name));
1905 			pab->ab.EntryCnt++;
1906 			size += FOURBYTES + sizeof(struct lpfc_name);
1907 			if ((size + sizeof(struct lpfc_name)) >
1908 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1909 				goto port_out;
1910 
1911 			/* #8 Port attribute entry */
1912 			ad = (struct lpfc_fdmi_attr_def *)
1913 				((uint8_t *)pab + size);
1914 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1915 			memset(ae, 0,  sizeof(struct lpfc_name));
1916 			ad->AttrType = cpu_to_be16(RPRT_PORTNAME);
1917 			ad->AttrLen =  cpu_to_be16(FOURBYTES
1918 						+ sizeof(struct lpfc_name));
1919 			memcpy(&ae->un.PortName, &vport->fc_sparam.portName,
1920 			       sizeof(struct lpfc_name));
1921 			pab->ab.EntryCnt++;
1922 			size += FOURBYTES + sizeof(struct lpfc_name);
1923 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1924 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1925 				goto port_out;
1926 
1927 			/* #9 Port attribute entry */
1928 			ad = (struct lpfc_fdmi_attr_def *)
1929 				((uint8_t *)pab + size);
1930 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1931 			memset(ae, 0, sizeof(ae->un.NodeSymName));
1932 			ad->AttrType = cpu_to_be16(RPRT_SYM_PORTNAME);
1933 			len = lpfc_vport_symbolic_port_name(vport,
1934 				ae->un.NodeSymName, sizeof(ae->un.NodeSymName));
1935 			len += (len & 3) ? (4 - (len & 3)) : 4;
1936 			ad->AttrLen = cpu_to_be16(FOURBYTES + len);
1937 			pab->ab.EntryCnt++;
1938 			size += FOURBYTES + len;
1939 			if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1940 				goto port_out;
1941 
1942 			/* #10 Port attribute entry */
1943 			ad = (struct lpfc_fdmi_attr_def *)
1944 				((uint8_t *)pab + size);
1945 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1946 			ad->AttrType = cpu_to_be16(RPRT_PORT_TYPE);
1947 			ae->un.PortState = 0;
1948 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1949 			pab->ab.EntryCnt++;
1950 			size += FOURBYTES + 4;
1951 			if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1952 				goto port_out;
1953 
1954 			/* #11 Port attribute entry */
1955 			ad = (struct lpfc_fdmi_attr_def *)
1956 				((uint8_t *)pab + size);
1957 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1958 			ad->AttrType = cpu_to_be16(RPRT_SUPPORTED_CLASS);
1959 			ae->un.SupportClass =
1960 				cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
1961 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
1962 			pab->ab.EntryCnt++;
1963 			size += FOURBYTES + 4;
1964 			if ((size + sizeof(struct lpfc_name)) >
1965 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1966 				goto port_out;
1967 
1968 			/* #12 Port attribute entry */
1969 			ad = (struct lpfc_fdmi_attr_def *)
1970 				((uint8_t *)pab + size);
1971 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1972 			memset(ae, 0, sizeof(struct lpfc_name));
1973 			ad->AttrType = cpu_to_be16(RPRT_FABRICNAME);
1974 			ad->AttrLen =  cpu_to_be16(FOURBYTES
1975 						+ sizeof(struct lpfc_name));
1976 			memcpy(&ae->un.FabricName, &vport->fabric_nodename,
1977 			       sizeof(struct lpfc_name));
1978 			pab->ab.EntryCnt++;
1979 			size += FOURBYTES + sizeof(struct lpfc_name);
1980 			if ((size + LPFC_FDMI_MAX_AE_SIZE) >
1981 					(LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1982 				goto port_out;
1983 
1984 			/* #13 Port attribute entry */
1985 			ad = (struct lpfc_fdmi_attr_def *)
1986 				((uint8_t *)pab + size);
1987 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
1988 			memset(ae, 0, sizeof(ae->un.FC4Types));
1989 			ad->AttrType =
1990 				cpu_to_be16(RPRT_ACTIVE_FC4_TYPES);
1991 			ad->AttrLen = cpu_to_be16(FOURBYTES + 32);
1992 			ae->un.FC4Types[0] = 0x40; /* Type 1 - ELS */
1993 			ae->un.FC4Types[1] = 0x80; /* Type 8 - FCP */
1994 			ae->un.FC4Types[4] = 0x80; /* Type 32 - CT */
1995 			pab->ab.EntryCnt++;
1996 			size += FOURBYTES + 32;
1997 			if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
1998 				goto port_out;
1999 
2000 			/* #257 Port attribute entry */
2001 			ad = (struct lpfc_fdmi_attr_def *)
2002 				((uint8_t *)pab + size);
2003 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2004 			ad->AttrType = cpu_to_be16(RPRT_PORT_STATE);
2005 			ae->un.PortState = 0;
2006 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
2007 			pab->ab.EntryCnt++;
2008 			size += FOURBYTES + 4;
2009 			if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2010 				goto port_out;
2011 
2012 			/* #258 Port attribute entry */
2013 			ad = (struct lpfc_fdmi_attr_def *)
2014 				((uint8_t *)pab + size);
2015 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2016 			ad->AttrType = cpu_to_be16(RPRT_DISC_PORT);
2017 			ae->un.PortState = lpfc_find_map_node(vport);
2018 			ae->un.PortState = cpu_to_be32(ae->un.PortState);
2019 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
2020 			pab->ab.EntryCnt++;
2021 			size += FOURBYTES + 4;
2022 			if ((size + 4) > (LPFC_BPL_SIZE - LPFC_CT_PREAMBLE))
2023 				goto port_out;
2024 
2025 			/* #259 Port attribute entry */
2026 			ad = (struct lpfc_fdmi_attr_def *)
2027 				((uint8_t *)pab + size);
2028 			ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
2029 			ad->AttrType = cpu_to_be16(RPRT_PORT_ID);
2030 			ae->un.PortId =  cpu_to_be32(vport->fc_myDID);
2031 			ad->AttrLen = cpu_to_be16(FOURBYTES + 4);
2032 			pab->ab.EntryCnt++;
2033 			size += FOURBYTES + 4;
2034 port_out:
2035 			pab->ab.EntryCnt = cpu_to_be32(pab->ab.EntryCnt);
2036 			/* Total size */
2037 			size = GID_REQUEST_SZ - 4 + size;
2038 		}
2039 		break;
2040 
2041 	case SLI_MGMT_GHAT:
2042 	case SLI_MGMT_GRPL:
2043 		rsp_size = FC_MAX_NS_RSP;
2044 	case SLI_MGMT_DHBA:
2045 	case SLI_MGMT_DHAT:
2046 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2047 		memcpy((uint8_t *)&pe->PortName,
2048 		       (uint8_t *)&vport->fc_sparam.portName,
2049 		       sizeof(struct lpfc_name));
2050 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2051 		break;
2052 
2053 	case SLI_MGMT_GPAT:
2054 	case SLI_MGMT_GPAS:
2055 		rsp_size = FC_MAX_NS_RSP;
2056 	case SLI_MGMT_DPRT:
2057 	case SLI_MGMT_DPA:
2058 		pe = (struct lpfc_fdmi_port_entry *)&CtReq->un.PortID;
2059 		memcpy((uint8_t *)&pe->PortName,
2060 		       (uint8_t *)&vport->fc_sparam.portName,
2061 		       sizeof(struct lpfc_name));
2062 		size = GID_REQUEST_SZ - 4 + sizeof(struct lpfc_name);
2063 		break;
2064 	case SLI_MGMT_GRHL:
2065 		size = GID_REQUEST_SZ - 4;
2066 		break;
2067 	default:
2068 		lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
2069 				 "0298 FDMI cmdcode x%x not supported\n",
2070 				 cmdcode);
2071 		goto fdmi_cmd_free_bmpvirt;
2072 	}
2073 	CtReq->CommandResponse.bits.Size = cpu_to_be16(rsp_size);
2074 
2075 	bpl = (struct ulp_bde64 *)bmp->virt;
2076 	bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
2077 	bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
2078 	bpl->tus.f.bdeFlags = 0;
2079 	bpl->tus.f.bdeSize = size;
2080 
2081 	/*
2082 	 * The lpfc_ct_cmd/lpfc_get_req shall increment ndlp reference count
2083 	 * to hold ndlp reference for the corresponding callback function.
2084 	 */
2085 	if (!lpfc_ct_cmd(vport, mp, bmp, ndlp, cmpl, rsp_size, 0))
2086 		return 0;
2087 
2088 	/*
2089 	 * Decrement ndlp reference count to release ndlp reference held
2090 	 * for the failed command's callback function.
2091 	 */
2092 	lpfc_nlp_put(ndlp);
2093 
2094 fdmi_cmd_free_bmpvirt:
2095 	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
2096 fdmi_cmd_free_bmp:
2097 	kfree(bmp);
2098 fdmi_cmd_free_mpvirt:
2099 	lpfc_mbuf_free(phba, mp->virt, mp->phys);
2100 fdmi_cmd_free_mp:
2101 	kfree(mp);
2102 fdmi_cmd_exit:
2103 	/* Issue FDMI request failed */
2104 	lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
2105 			 "0244 Issue FDMI request failed Data: x%x\n",
2106 			 cmdcode);
2107 	return 1;
2108 }
2109 
2110 /**
2111  * lpfc_delayed_disc_tmo - Timeout handler for delayed discovery timer.
2112  * @ptr - Context object of the timer.
2113  *
2114  * This function set the WORKER_DELAYED_DISC_TMO flag and wake up
2115  * the worker thread.
2116  **/
2117 void
2118 lpfc_delayed_disc_tmo(unsigned long ptr)
2119 {
2120 	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
2121 	struct lpfc_hba   *phba = vport->phba;
2122 	uint32_t tmo_posted;
2123 	unsigned long iflag;
2124 
2125 	spin_lock_irqsave(&vport->work_port_lock, iflag);
2126 	tmo_posted = vport->work_port_events & WORKER_DELAYED_DISC_TMO;
2127 	if (!tmo_posted)
2128 		vport->work_port_events |= WORKER_DELAYED_DISC_TMO;
2129 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2130 
2131 	if (!tmo_posted)
2132 		lpfc_worker_wake_up(phba);
2133 	return;
2134 }
2135 
2136 /**
2137  * lpfc_delayed_disc_timeout_handler - Function called by worker thread to
2138  *      handle delayed discovery.
2139  * @vport: pointer to a host virtual N_Port data structure.
2140  *
2141  * This function start nport discovery of the vport.
2142  **/
2143 void
2144 lpfc_delayed_disc_timeout_handler(struct lpfc_vport *vport)
2145 {
2146 	struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
2147 
2148 	spin_lock_irq(shost->host_lock);
2149 	if (!(vport->fc_flag & FC_DISC_DELAYED)) {
2150 		spin_unlock_irq(shost->host_lock);
2151 		return;
2152 	}
2153 	vport->fc_flag &= ~FC_DISC_DELAYED;
2154 	spin_unlock_irq(shost->host_lock);
2155 
2156 	lpfc_do_scr_ns_plogi(vport->phba, vport);
2157 }
2158 
2159 void
2160 lpfc_fdmi_tmo(unsigned long ptr)
2161 {
2162 	struct lpfc_vport *vport = (struct lpfc_vport *)ptr;
2163 	struct lpfc_hba   *phba = vport->phba;
2164 	uint32_t tmo_posted;
2165 	unsigned long iflag;
2166 
2167 	spin_lock_irqsave(&vport->work_port_lock, iflag);
2168 	tmo_posted = vport->work_port_events & WORKER_FDMI_TMO;
2169 	if (!tmo_posted)
2170 		vport->work_port_events |= WORKER_FDMI_TMO;
2171 	spin_unlock_irqrestore(&vport->work_port_lock, iflag);
2172 
2173 	if (!tmo_posted)
2174 		lpfc_worker_wake_up(phba);
2175 	return;
2176 }
2177 
2178 void
2179 lpfc_fdmi_timeout_handler(struct lpfc_vport *vport)
2180 {
2181 	struct lpfc_nodelist *ndlp;
2182 
2183 	ndlp = lpfc_findnode_did(vport, FDMI_DID);
2184 	if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
2185 		if (init_utsname()->nodename[0] != '\0')
2186 			lpfc_fdmi_cmd(vport, ndlp, SLI_MGMT_DHBA);
2187 		else
2188 			mod_timer(&vport->fc_fdmitmo, jiffies +
2189 				  msecs_to_jiffies(1000 * 60));
2190 	}
2191 	return;
2192 }
2193 
2194 void
2195 lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag)
2196 {
2197 	struct lpfc_sli *psli = &phba->sli;
2198 	lpfc_vpd_t *vp = &phba->vpd;
2199 	uint32_t b1, b2, b3, b4, i, rev;
2200 	char c;
2201 	uint32_t *ptr, str[4];
2202 	uint8_t *fwname;
2203 
2204 	if (phba->sli_rev == LPFC_SLI_REV4)
2205 		snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName);
2206 	else if (vp->rev.rBit) {
2207 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
2208 			rev = vp->rev.sli2FwRev;
2209 		else
2210 			rev = vp->rev.sli1FwRev;
2211 
2212 		b1 = (rev & 0x0000f000) >> 12;
2213 		b2 = (rev & 0x00000f00) >> 8;
2214 		b3 = (rev & 0x000000c0) >> 6;
2215 		b4 = (rev & 0x00000030) >> 4;
2216 
2217 		switch (b4) {
2218 		case 0:
2219 			c = 'N';
2220 			break;
2221 		case 1:
2222 			c = 'A';
2223 			break;
2224 		case 2:
2225 			c = 'B';
2226 			break;
2227 		case 3:
2228 			c = 'X';
2229 			break;
2230 		default:
2231 			c = 0;
2232 			break;
2233 		}
2234 		b4 = (rev & 0x0000000f);
2235 
2236 		if (psli->sli_flag & LPFC_SLI_ACTIVE)
2237 			fwname = vp->rev.sli2FwName;
2238 		else
2239 			fwname = vp->rev.sli1FwName;
2240 
2241 		for (i = 0; i < 16; i++)
2242 			if (fwname[i] == 0x20)
2243 				fwname[i] = 0;
2244 
2245 		ptr = (uint32_t*)fwname;
2246 
2247 		for (i = 0; i < 3; i++)
2248 			str[i] = be32_to_cpu(*ptr++);
2249 
2250 		if (c == 0) {
2251 			if (flag)
2252 				sprintf(fwrevision, "%d.%d%d (%s)",
2253 					b1, b2, b3, (char *)str);
2254 			else
2255 				sprintf(fwrevision, "%d.%d%d", b1,
2256 					b2, b3);
2257 		} else {
2258 			if (flag)
2259 				sprintf(fwrevision, "%d.%d%d%c%d (%s)",
2260 					b1, b2, b3, c,
2261 					b4, (char *)str);
2262 			else
2263 				sprintf(fwrevision, "%d.%d%d%c%d",
2264 					b1, b2, b3, c, b4);
2265 		}
2266 	} else {
2267 		rev = vp->rev.smFwRev;
2268 
2269 		b1 = (rev & 0xff000000) >> 24;
2270 		b2 = (rev & 0x00f00000) >> 20;
2271 		b3 = (rev & 0x000f0000) >> 16;
2272 		c  = (rev & 0x0000ff00) >> 8;
2273 		b4 = (rev & 0x000000ff);
2274 
2275 		sprintf(fwrevision, "%d.%d%d%c%d", b1, b2, b3, c, b4);
2276 	}
2277 	return;
2278 }
2279